It's really hard to make a guess about something like that. Our guesses about how life will be even 50 years from now are so frequently wrong. So, our guesses about what incarnations of entertainment will still be around might be even more wrong. But, I'll go ahead and guess that it won't still be around. By that time, it's likely that some other show yet to be invented will have taken its place. It may even use a form of entertainment that has yet to be invented, like the holonovels of Voyager.